Collapsible rifle stock



FIG. 1 is a perspective view of a collapsible rifle stock showing our design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines in the drawings represent features, which are illustrated only for the purpose of understanding the design, and form no part of the claimed design. 

CLAIM We claim the ornamental design of a collapsible rifle stock, as shown and described. 